Following a group of disgraced MI5 agents relegated to a bureaucratic backwater, Slow Horses transforms what seems like a dead-end department into the last line of defense against significant ...

However, a Second World War guide produced by MI5 for prospective agents concluded that the ideal “watcher” was “born and not made”. The 17-page guide, which was compiled for “officers ...

Confessions of double agents and tips for new spies have been released as part of a tranche of recently-declassified documents from MI5. The documents are part of a new exhibition on display at ...

Newly released MI5 files reveal that, for nearly 10 years, the late monarch didn’t know that royal household member Anthony Blunt was actually a Soviet double agent. According to the BBC ...

FREED gangster Liam Byrne has been mockingly branded an MI5 agent after his release from prison, we can reveal. Byrne was taunted as a “rat” on social media ­platforms following his release ...